Product Features 【 Size 】: 2.5" x 1.1" x 0.7"(65.8*27.9*17.6mm) and Hole to Hole Distance: 1.8"(46mm). 【 Waterproof Material 】: All-weather molded plastic housing and durable lens will successfully prevent corrosion. Feature water-tight housing for better lighting and make wire connection safer, quite practical. 【 Durable Design 】: Our side marker light comes with a good design with high-quality solid base and ultra brightness, providing long-lasting use and keeps you safe at night. High efficiency and low consumption. 【 Easy To Install 】: 2 Wire Connection: Red/Yellow is Negative and Black is Positive. .